Reorganize handlers

backend/internal/api/handler_utils.go

@@ -9,24 +9,14 @@ import (
 	"github.com/go-chi/chi/v5"
 )
 
-func getUserID(r *http.Request) (int, error) {
-	userIDStr := chi.URLParam(r, "userId")
-	return strconv.Atoi(userIDStr)
-}
-
-func getUserAndWorkspaceIDs(r *http.Request) (int, int, error) {
-	userID, err := getUserID(r)
-	if err != nil {
-		return 0, 0, errors.New("invalid userId")
-	}
-
+func getWorkspaceID(r *http.Request) (int, error) {
 	workspaceIDStr := chi.URLParam(r, "workspaceId")
 	workspaceID, err := strconv.Atoi(workspaceIDStr)
 	if err != nil {
-		return userID, 0, errors.New("invalid workspaceId")
+		return 0, errors.New("invalid workspaceId")
 	}
 
-	return userID, workspaceID, nil
+	return workspaceID, nil
 }
 
 func respondJSON(w http.ResponseWriter, data interface{}) {